/Engine/Source/Runtime/Engine/Public/AnimationUtils.h
Compresses the animation curves within a sequence with the chosen settings. Note: This modifies the sequence.
Returns true on success, false it we fail to compress
static bool CompressAnimCurves ( [FCompressibleAnimData](API\Runtime\Engine\Animation\FCompressibleAnimData) & AnimSeq, [FCompressedAnimSequence](API\Runtime\Engine\Animation\FCompressedAnimSequence) & Target )